Thousand Cankers Disease

This week, the Tennessee Department of Agriculture added Rhea and Morgan counties to a list of East Tennessee counties under quarantine after the discovery of Thousand Cankers Disease in black walnut trees.

Thousand Cankers Disease (TCD) is a condition that robs black walnut trees of their nutrients. It’s transported from tree to tree by the Walnut Twig Beetle, a tiny bug that burrows into the tree, bringing with it a deadly fungus. Experts suggest the tree can die within a few years of being infected.